CERTIFICATE(1)

EU-Type Examination(2)

Equipment or protective systems intended for use inpotentially explosive atmospheres - Directive
2014/34/EU(3)

EU-Type Examination Certificate Number: DEKRA 24ATEX0014(4)

Product:

Portable Gas Detector Model RX-8500, RX-8600 and RX8700(5)Manufacturer:

RIKEN KEIKI Co., Ltd.

(6)

Address:

2-7-6, Azusawa, Itabashi-ku, Tokyo, 174-8744, Japan(7)

This product and any acceptable variation thereto is specified in the schedule to this certificate and the documents
therein referred to.

(8)

DEKRA Certification B.V., Notified Body number 0344 in accordance with Article 17 of Directive 2014/34/EU of theEuropean Parliament and of the Council, dated 26 February 2014, certifies that this product has been found tocomply with the Essential Health and Safety Requirements relating to the design and construction of products
intended for use in potentially explosive atmospheres given in Annex II to the Directive.

Issue Number: 0The examination and test results are recorded in confidential test report number NL/DEK/ExTR24.0015/00.
(9)Compliance with the Essential Health and Safety Requirements has been assured by compliance with:EN IEC 60079-0 : 2018

EN 60079-11 : 2012

except in respect of those requirements listed at item 18 of the Schedule.
(10)

If the sign ”X” is placed after the certificate number, it indicates that the product is subject to the Specific Conditionsof Use specified in the schedule to this certificate.

(11)This EU-Type Examination Certificate relates only to the design and construction of the specified product. Further
requirements of the Directive apply to the manufacturing process and supply of this product. These are not coveredby this certificate.

(12)

The marking of the product shall include the following:

II 1 GEx ia IIC T4…T3 Ga

Date of certification: 26 June 2024
DEKRA Certification B.V.

?
R. Schuller
Certification Manager
Throughout this document, a point is used as the decimal separator.
© Integral publication of this certificate and adjoining reports is allowed. This Certificate may only be reproduced
in its entirety and without any change.

DEKRA Certification B.V. Meander 1051, 6825 MJ Arnhem P.O. Box 5185, 6802 ED Arnhem The Netherlands
T +31 88 96 83000 F +31 88 96 83100 www.dekra-product-safety.com Registered Arnhem 09085396

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(13)SCHEDULE(14)

to EU-Type Examination Certificate DEKRA 24ATEX0014(15)

Description

Issue No. 0

The Portable Gas Detector Model RX-8500, RX-8600 and RX-8700 are gas monitors designed toprovide continuous monitoring of exposure to combustible gas, oxygen (O2), carbon monoxide(CO), carbon dioxide (CO2) and hydrogen sulfide (H2S) in hazardous areas. The air suction is
automatically made using an internal micro pump. All the models are the same in construction
except that there are differences in sensors and Model RX-8700 has one more pump for airsuction.
Model RX-8500, RX-8600 or RX-8700 is combined with Battery Unit Model BUD-8000 or Model
BUL-8000. Model BUD-8000 includes primary batteries and Model BUL-8000 includes secondary
Li-ion battery. Replacement or charging of Battery Unit can be performed by end-users and is only
allowed in non-hazardous areas.
For the temperature class, T4 is applied when combined with Model BUL-8000 or with Model
BUD-8000 including batteries of LR6T(JE), Toshiba. T3 is applied when combined with Model
BUD-8000 including batteries of MN1500, Duracell.
Ambient temperature range -20 °C to +50 °C
Ambient temperature range during charge 0 °C to +40 °C
Additional information
The performance of the Portable Gas Detector Model RX-8500, RX-8600 or RX-8700, as a safety
device, is not covered by this certificate.
Electrical data
Supply: Battery Unit Model BUD-8000 with three series connected primary batteries, orRechargeable Battery Unit Model BUL-8000.
Non-replaceable primary battery for backup.
Refer to manufacturer's instructions for the permitted battery types.
Installation instructions
The instructions provided with the product shall be followed in detail to assure safe operation.
(16)

Report Number
NL/DEK/ExTR24.0015/00.

(17)

Specific conditions of use
None.

(18)

Essential Health and Safety Requirements
Covered by the standards listed at item (9).
Test documentation
As listed in Report No. NL/DEK/ExTR24.0015/00.

AM 2972:4

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